In this book, Dan Hurley has collected modern techniques for improving intelligence. The author interviewed top researchers and even participated as a test subject in experiments to learn more about the methods he writes about. The book reveals all aspects related to improving working memory and cognitive abilities: training, exercises, medications, music, meditation, brain stimulation and much more. The author also tested all this on himself. The book will be of interest to anyone who would like to develop their intelligence and learning abilities. Published in Russian for the first time.